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NSC668394 is a potent ezrin (Thr567) phosphorylation inhibitor, with a Kd of 12.59 μM. NSC668394 inhibit ezrin T567 phosphorylation caused by PKCΙ primarily via their binding to ezrin. NSC668394 can be used to prevent tumor metastasis[1][2][3].

NSC668394 (10 μM; pretreated for 15 min) inhibits ezrin T567 phosphorylation (IC50=8.1 μM) and actin binding in vitro[1].NSC668394 (1-10 μM; 2-6 h) inhibits ezrin-mediated invasion by K7M2 osteosarcoma (OS) cells on the HUVEC monolayer[1].NSC668394 (20 μM) causes significant decrease in growth in JM1 and JM2 rat hepatoma cell lines[2].NSC668394 (10 μM) reduces cell motility phenotypes in zebrafish[1].

NSC668394 (0.226 mg/kg/day; i.p. 5-days a week) inhibits ezrin-dependent in vivo OS metastatic growth in mouse lung[1].

[1]. Bulut G, et, al. Small molecule inhibitors of ezrin inhibit the invasive phenotype of osteosarcoma cells. Oncogene. 2012 Jan 19;31(3):269-81.

[2]. Xue Y, et, al. Phosphorylated Ezrin (Thr567) Regulates Hippo Pathway and Yes-Associated Protein (Yap) in Liver. Am J Pathol. 2020 Jul;190(7):1427-1437.

[3]. ?elik H, et, al. Ezrin Inhibition Up-regulates Stress Response Gene Expression. J Biol Chem. 2016 Jun 17;291(25):13257-70.

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